Lec 21 - Mallard EB 2131 Spring RUDE MWF lfltflfl —...

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Unformatted text preview: Mallard EB 2131 Spring RUDE MWF lfltflfl — Hmneworl-t: M.L.1 Page 1 of 3’. % Homework: M.L.1 You may submit this. Heme-war}: a total of ID times and receive full credit. :I' Emmulnn‘iejnmnletionflslus lndueinr Volt-A. mpere Relationship Consider an inductor with inductance. L. where tth} is the current through the Inductor and tht} is the voltage across the inductor. [The polarity of tht} is chosen eensistnnt with the passive sign ennvenlinnJ Assume. iLit} = {J A for t 5 [I‘ and iLitJ = os ti 4“ in fortgfl‘ 1. Which iiiiinfl of this following statements are me C" I— The voltages-Lin. will start at zero. loll gradually to some negative value. then increase again In new. l“ The voltage.v-L{t}. will relish some positive. constant value tiller :1 long time. I— The velmge.t-Lt'tl. will Stan at zero. rise gradually to some positive value. then decrease again to zern [— The voltages-Lit), will start at vero. jump to some positive value. then decrease agree to zero. '— Tne veltagc.t'L{t:I. will start HI ztm. jump in some negative value. then increase again to zero. ’— Tth FUIULEEJLHL stays zero for all L '— Nune of muse. l‘." The Fflllflgcfi'Lfl}, will reach 3mm: negative, constant value after u long time. r.- The whiten-rim. is zero before t = fl 2. H L = 5 H. whet is the value of the voltage, vL. across the inductor at t = 1 sec “l I _ volts. 3. Given the some itirluetot'1 assume : slit} 2 I] volts for t 5 C". ith} = fl amperes for t 5 fl‘ and thijzrt E'flfiVI—mlzfl—F Which [if any] of the following statemean are true ? F The CIJITBIHT. flu'ntigh the influetm', 5L. will reach some negative. constant value after :1 long time. 1— The current through the inductor. iL. will start at zero. jump to some negative value. then increase again to zero. T- 111: current through the inductor. iL. stays zero for all t. https:flece-onlitieeejastateedufEElfll spflfimwfl flfwehquiz.egi'lSessionID=hme1-npel_ l 13311}... 3G}? DU} Mallard HE 201 Spring EGGS MWF lflfl} - Homework: M.L.I Page 2 hf 2 '— Thr. urn-mm through Ihc inductor, iL. is 2mm ht:me t= [1 IT The current through Ih: inducmr. iL, wiil sun at ram.ij to same positive: valur; than dame. again tn ZBIIJ. '— The current Ihraugh Illa induatflr. it Will start 31 mm. I'nfl gradually In sum: negative ulna. then increase again tr:- 2cm. 1— Nnn: of than. 1— The current thrrmgh the inductor. iL.wi]1rear:h mm: puritive. cnnstant value after a long time. [— Thr: currunt Ihmugh lh'l': inductor. :iL. wiil stun at zero. rial: gradually tr: 5mm: puritivc vuluc. than decrease again to zero A. chc value 01' th: inductance. is 11 mH. and ivat't‘t is :15 in the. nhmrc pmhlrrrr.fl1un what is the entrant thrnugh 1hr: inductm ntt = I 5:: '.' 1 _ mpcrcs. Mammu-mwm Cut-rm Marathi C'flpyn'ght (5 I993 - 3393 Inn-w Starr Untrfln'ly https:ffecr:4m]inc.cc.ia5tatfi.cdufEEEDlspfl3m wt I 17hr wehq trim: gi Hes siunID=krucmch1 DEG... SISIEUGE Mallard EE 2131 Spring 21113 W mm v Humwurk: MEJ Page E 0f 2 E Th: vulmgn- across Ihr. capacitm. vcfll. will reflh some nzgat'w: constant value after :1 long time. [— Hunt: of Elms: choices. '— Thr: vallagu across the capacitor. vim. will mh sum: pusitivc constant value after a iung mm. 4. If the value of the capacitor is 31 micrufarads. and il‘ ictt} is lha: Sam: as in qucsfinu 3 abm'c. find me wimg: across the ca acitur at t = 9 mantis. I _ m:gavnlts. T Iiiiéi'ffiflfizfifllnl h Mmfnnififpw'rmli Q. IEMJL'W Emir” MEIER-fl: fppyrigh: C‘ 3993 - 3093 Iowa 5:51: firth-ruff}- https:ffeceunnIinc.cc.ia£taIc.edu!EEEU ] spflfim wf I '3! w chq uiz.c gi?5:ssinn[fl=kmem p:l_ I (ED. . . 3f3f20fl3 Mallard EE Elli Spring 2W3 MW}: lfltflfl — Homework: M.C-l Page 1 of 2 % Homework: M.C.1 % You may submit this Homework 3. total of illl times and reeoi'lre Full credit. Eiraecuutulatieeeomuleauutatus Capacitor VoltrAmpere Relatlomltlp Consider a capacitor with capacitance. C. where t-Elt) is the voltage across the capacitor. and icltt is the current through the capacitor. {The polarin of tic-{t} is chosen consistent with the passive sign convention.) Assume .' tic-ll} = U '5’. fort 1: il' seconds and edit = l - e'fl trolls for l .1- W”. l. Which. ll arty. of the following statements are true 1’ l- The current. tctt}. is zero heloret = El. l— Hone of these. l— Tl'tc current. iclt}. will reach Some negative constant 1.11er after along time. l— The current. iclt}. will start at rote-Jump to some positive 1taluc. then decrease to teem. l— ‘I‘lte current. ictt}. will start at rero. gradually rise to some positive value. then decrease again to zero. '— ‘t'lte current. iclt]. will result some positive constant value after a long time. F 'I‘]'te cun‘ent. ictt}. will start at euro. jump to some negause value. then increase to zero. r The current. iclt}. stays zero [or all L '— Tho cur-rem, iii-{t}. will start at zero. gradually.-r fall to some negative value. then increasu again to zero. 1. NC: El microfanuls. find the value of the current. it: through the capacitor at t = 0.19 seconds. I _ micro amperes. 3. Giver. the same. capacitor. if ictt‘t = Etamperes and tacit) =11] volts fort gfl‘ and ict't) = El] {Ramparts for tzfl'l‘. which. if any. of the following are true? F The voltage across the capacitor. trim. starts at zero. falls gradually to some negative value. then rises gradually to zero. I: The voltage across the capacitor. ram. is zero before 1 = (l. l— The voltage across the capacitor. 1r {1}. starts at zero. rises gmrltlally to some positltre 1value. then declines gradually to Zero. l— The voltage across the capacitor. t-ctt}. stays zero for all time. httpsflece —onlinc.ec.iastate.edut’EEEl] l spOEtrnwf lfllwehqulzcgfls essionID=kruernpeLl U30... lflllfllll f“ . @4139 mm 3 waning _I x“. ’"3. 5 QLM \‘Hixeuwm Wmmm mmwfl‘wxw MMMM mw.tl' If . 2H) k_. "— a. -.’_,r._} (35%, I‘I’mA] = “‘pr M 1-30 — I :9 a J” I §J yv/ an.— ~3ch L . \ )1 be — . \ \ | '_I l \ML F | ff#s:\ 0 "IO 20 3O 40 50 60 I/{VJ i 10 — _,,a—-~—---———- // 5 _ // ___./-/| I 1 I I "J hails} O 'ICI 20 3O 40 50 E30 pImW] ; _ 500 ‘— / \ 400 — / 300 — / .E f 200 — -\ 'ICU — \\ f | | _,__L R I | films} C ' 1D 20 30 4D SCI C3 wthI 1c — - 8 _ 6 _ L1 __ / 2 — / J "u—«I/ I I I ' I -ri,ws} CI : 10 2-3 30 40 El} 60 Figure 5.12 The variables .i, v: p, and w ver- sus r for Example 5.5. 11 UL 12:} . mam-13 Lfi $%Q<3:M dfi'“ 3: w s 13‘ 2:: 20 . 5O 5 V \LB-n yz(.éfiz3<ZD.5093 :3. Mala/LN ...
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This note was uploaded on 04/02/2008 for the course EE 201 taught by Professor Kruempel during the Fall '06 term at Iowa State.

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Lec 21 - Mallard EB 2131 Spring RUDE MWF lfltflfl —...

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